Replacing Valves Under Kitchen Sink

Open the faucet to drain the line.

Replacing valves under kitchen sink.

Shut off the circuit breakers to an electric water heater. For a basic project in zip code 47474 with 6 valves the cost to install a water shut off valve starts at 153 183 per valve. Place a bucket under the old valve. Replacing a shut off valve compression valve or angle stop may seem like a daunting task but it really takes less than 5 minutes.

If this happens to you you can simply replace the valve with a new valve that matches the old one. With a few household tool. I have the faucet installed in the sink but not connected to the hot and cold water. Open the cold water handle of the kitchen faucet and let the water drain out if you re replacing the cold valve.

The shut off valve under a sink can go unattended for years without giving any problems but once it starts leaking it can lead to a mess quickly. Then open a faucet on the lowest level of your house and another faucet on an upper level to drain the pipes. Under sink shutoff valves also called fixture shutoffs or stop valves allow you to turn off the water to the sink or other fixture without having to use the home s main shutoff. Put a bucket under the drain pipe.

Ignoring minor leaks can waste up to three gallons of water every day and can also lead to permanent water stains and rot under your sink. Deburr the pipe with a deburring tool. These inexpensive little valves rarely get used and when they do sometimes they leak. However calling a plumber can be expensive.

Turn off the main water supply for the house. Actual costs will depend on job size conditions and options. Turn off the next valve up the line which may be the main water supply valve. If you have a gas water heater turn the knob to the pilot position.

When cutting the supply line cut slowly and gently so. Then disconnect the supply tube from the shutoff valve. Cut the supply line with a pipe cutter leaving enough room between the escutcheon plate and the cut to allow installation of the valve fitting. The hot and cold water supply under the sink is turned off at the valves.

My water supply valve under the kitchen sink leaks. The cold water supply line from the wall is dripping water slowly.